Combined type-writing and computing machine.



G. 0. DEGENER. COMBINED TYPE WIIIIING AND COMPUTING MACHINE.

PatentedJ une 18, 1918.

2 SHEETS-SHEET l APPLICATION FILED JULY 5. |912.

G. 0. DEGENER. gon/18min TYPE www@ AND coMPunNG MACHINE.

APPLICATION FILED 'JULY 5. 1912- Patented June ,18, 1918.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFICE.

GUSTAVE O. DEGENER, 0F NEW YORK, N. Y., ASSIGNOR TO UNDERWOOD COMPUTING MACHINE COMPANY, OF NEW YORK, N. Y., .A CORPORATION OF NEW YORK.

COMBINED TYPE-WRITING AND COMPUTING MACHINE.

To all tf1/wm t may concern.'

Be it known that I, GUsTAvn O. DEGENER, a citizen of the United States, residing in New York city,'in the county of New York and State of New York, have invented certain new and useful Improvements in Combined Type-VVriting and Computing Machines, of which the following is a specification.

This invention relates to combined typewriting and computing machines, such for instance as illustrated in the pending application of Walter Wright and Gustave O. Degener, No. 543,603, filed February 12, 1910, and my Patents No. 990,238, dated April 25, 1911, and No. 1,020,082, dated March 12,1912.

In such machines, the numeral keys are connectible to the computing mechanism for determining the extent of rotation thereof, and as therein disclosed, the keys are normally disconnected from the computing mechanism whenever it is desired to write figures without effecting computation thereof.

One of the objects of the present invention is to facilitate the operation of the machine by relieving the mind of the operator from the task of remembering to connect and disconnect the keys and the computing mechanism at every line of writing, as for instance in the making of a bill, where it is desired to compute only the numbers written on a given column of the work sheet. It is a special object of the present invention to arrange the mechanism so that it may be readily altered to suit any particular arrangement of work which may be on hand for the time being. For this purpose, the carriage of the typewriter is arranged to automatically effect connection between the numeral type keys and their connection to the computing devices, whenever the carriage reaches the desired position for computation, and this position may be readily altered by the shifting of the member automatically controlling said connection, or by substituting a new member.

The devices by which the carriage controls the connection of the figure keys to the computing mechanism preferably include a tappet or device adjustable along the carriage itself, so as to determine at what point in the line of writing computation shall be- `gin. This tappet, which may be mounted upon a column stop bar, and which may itself also serve as a column stop, engages and Specification of Letters Patent.

Patented June 18, 1918.

Application filed July 5, 1912. Serial No. 707,666.

inafter appear.

In the accompanying drawings,

Figure 1 is a side elevation of an Underwood typewriting and computing machine having the' present improvements applied thereto.

Fig. 2 is a perspective View, showing the connections between the keys, computing mechanism, and their controlling mechanism.

Fig. 3 is a detail front view of the manual means for connecting the keys to the computing mechanism.

Fig. 4 is a view of the controlling cam or lever, and Figs. 5 and 6 are details thereof.

Alphabet key levers 1 and numeral key levers 2 depress bell cranks 3 to swing type bars 4 upwardly and rearwardly to cause type 5 to strike against a platen 6 mounted in a carriage 7, which carriage is drawn in letter feeding direction by a spring barrel 8. Said carriage is controlled at its letterfeeding movement by means of an escapement wheel 9 carrying a pinion 10, which meshes with a rack 11 on s aid carriage, said escapement wheel 9 being governed by dogs 12 operated by heels 13 on the type bars, through intermediary of a universal bar 14.

As set forth in said application No. 543,603, a transverse horizontal endwise movable rack or bar 15 is employed for the purpose of connecting and disconnecting the computing devices from the type-operating key levers 2. Links 16, one for each numeral key lever, are dropped through holes 17 in said disconnecting bar 15, and are connectible at their lower ends by hooks 18 to catches 19 on the numeral key levers 2, and are pivoted at their upper ends 20 to bell cranks 21, (which will be presently described) for controlling the computing devices.

Vhenever a numeral key lever is depressed, the link 16 is pulled down and the computing device is operated. By shifting the bar to the left in Fig. 2, the links 16 are swung free of the catches 19, and then the numeral keys 2 may be depressed to cause their types to operate without computing. j The disconnecting bar 15 may be operated in any suitable manner, as for eX- ample that shown in said application, wherein said bar has a pin or pivot 22 engaging a slot in the lower end of an upstanding lever 24, which is pivoted between its ends at 25 upon a fixed support. By swinging said lever 24 to and fro, the bar 15 connected thereto, may be caused to disengage and rengage the links 16, and the numeral' key levers 2.

A slot 26 in the upper end ofthe lever 24 is engaged by a pin or pivot 27, the latter projecting rearwardly from the top of the uppermost arm of a four-armed lever 28, the latter'being rotatable upon a central.

pivot 29 upon a iXed support or plate 31. Said pin 27 projects through an opening in the plate 31, on which the pivot 29 may be mounted. The lever 24 is mounted at the rear of said plate 31, while the fourarmed lever 28 is in front thereof.

Upon said pin 27 is loosely pivoted by means of a hub 32, a crank or arm 33, carrying a handle 34. To the latter is attached the lower end of a draw spring 35, the upper end thereof being caught upon a fixed pin 36 on said plate 31. Said spring holds a pin v37 on said lever 33 up against a pin 39,- as shown in Fig. 3, projecting from the left end of cross arm 40 of said fourarmed lever, and thereby holds the latter in said Fig. 3 position, and consequently holds the disconnecting bar 15 in position to holdthe links 16 in operative engagement with the key levers 2.

By means of the handle 34, the lever 33 is swung from the left-hand position seen in Fig. 3 to the position shown in Fig. 2, which, when viewed from the front of the machine, is the right-handfposition, and the spring 35 holds them there with the links 16`disconneeted`from the key levers 2.

VThe position of the lever 33 on either Iside of the pivot 29 of the four-armed lever 28 may be determined by the lever 44 pivoted at 45 to the lowermost arm of the four* armed lever 28 and having a pin 43 engaging in a slot 46 provided in the rearmost portion of the arm 33, which is duplex. It will thus be seen that when the parts are in theposition shown in Fig. 2, the hook links16' will be normally disconnected from the latch 19 on the key levers 2, but may be connected thereto by pulling down on a link 41, which will temporarily stretch the spring 35 and swing the cross lever 28, without, however, changing the position of -the `a'ims33 and 45 relatively-to each other.

Such a rocking'ofthe cross lever 28by the link 41 will naturally draw the hooks 18 of the links 16 temporarily into engagement with the catches 19 of the key levers 2, so that the numeral keys would be temporarily connected to actuate the computing mechanism in spite of the fact that the controlling mechanism is manually adjusted for disconnection of the numeral keys from the computingl mechanism. Said. link 41 is pivoted to an arm 47 on a rock shaft 48, carrying a second rock arm 49, through which rock shaft the automatic connection of the numeral keys with the computing mechanism is brought about.

A stop 5() on a rack bar 51 onthecarriage 7 of the typewriter, is arranged to control said connection through said rock shaft 48 by means of an extension 52 on said1 stop, which extension is arranged to strike a. lever 53 on the framework of the tabulating mechanism. Said lever 53 includes an arm 54, joined to the rock arm 49 bymeans of a link 55, through which arm it operates said rock shaft 48.

The upper end of the lever 53 is shown as formed 4of twozshiftable and detachable cam plates, arranged to overlie each other. One of these plates 57 lies against the upper face 56 of said lever 53, and is adjustable thereon by means of screws 58, and said member comprises a bentportion 59, arranged to bear against the extension 52 on said stop 50, during a portion of the travel of the typewriter carriage. As will be seen from Fig. 2, this cam is the one which connects the keys to the indexing devices while writing the units digit and the digits adjacent thereto. The ends 60 of said face 59 are beveled to form cam surfaces, so that the lever53 will be swung outward as it strikes said extension 52.

A second cam member 61 is arranged to lie against said vfirst cam member and be also held in place by screws 58, and has a face 62 arranged to form a straight line with the face 59of the cam member 61, and is beveled to form faces 60 like those onthe plate 57. `lt will be observed that the cam 61 may be adjusted without disturbing the cam 57, thus providing means whereby the computing Zone may be varied in length without having to relocate the units digit position each time. Then the two cam members coincide they cover a relatively small portion of the travel of said extension 52, but they may be so set, as to cover a greater portion of said travel by means of the combined length of their faces 59 and 62. The space over which the numeral keys control the lcomputing is thus varied by the setting of these cam members. In other words, the two cam plates may be called an adjustable zone control in that they determine the extent or magnitude of a computing Z'o'ne, for 'when they are not inengagement with a tappet or stop 50 the computing mechanism will be silenced by being disconnected from the numeral keys.

T he computing mechanism may be of any desired form, and is herein illustrated as shown in said fright and Degener application aforesaid. As shown in said application, the links 16 are connected to bell cranks -21, and links 63 extend from the latter to levers 64;, which operate dogs 65, to thrust out index pins 66, provided upon a computation or primary esc-apement wheel 67 :torming part of an indexing mechanism, said pins being adapted to engage a four-armed pinion 68, which is fixed to a secondary escapement wheel 69. The latter is controlled by dogs 70 upon a rock shaft 71, the latter connected by a link 72 and lever 73 to a universal plate 74 operable by arms 75 on all the levers 64E, the latter having fixed fulcrum points 76. The pins 66 are detained in their eiective or ineliective position by the usual coil-spring band 67 a encircling the wheel 67` .l/Vhenever a lever 6-/1 is operated by this( key, a pin 66 is thrust out toward the left in' with a setot' decimal or other tabulator plungers 94 upon the rear ends of levers 95 ulcrumed at 96, and carrying keys 97 at their forward ends. Whenever a key 97 is depressed, its rod 9e is raised, and a lug 98 thereon lifts a small universal bar 99 which turns upon a pivot 100, and has an arm 101, the latter connected by a link 102 to a lever 103, the lever having a roll 104 to lift the rack 11 from the pinion 10, so that the carriage 7 can run freely along until arrested by the engagement of the elevated stop 9% with the next carriage stop 50, this being the usual operation of the Underwood decimal tabulating mechanism. Any of said stops 50 may be, as above described, provided with an extensionv 52 to coperate with the cams on the lever 63, and control the connection of the numeral keys with the computing mechanism.

The lever 53 may be limited in its throw by a headed screw 105 carrying an adjustable nut 106, and to keep it inelfective and to prevent rattling is normally held outwardly against the head of said screw 105 by Fig. 2, so as to be the next pin to engage the, a spring 107, when the handle 3a is posipinion 68. At the same time, the dogs 70 are? rocked, and the secondarv escapement wheelf 69 is permitted to rotate, the main computa} tion wheel 67 being under constant rotapendent upon the position of the last pin projected by its jack 65. A

Power for wheel 67 is derived from a conif.

tional torque, and turned to an extent de- Acomputation wheel 67.

As the pins 66 pass beyond the pinion 68, they are restored to normal position by a wiper or cam, not shown. A train of coinputing mechanism extends from said wheel 67 and includes said pinions 84, 82, 83, and also a pinion 85, meshing with pinion 83, and iixed upon a shaft 86. Said shaft 86 carries a pinion 87 meshing with a pinion 88 on a shaft 89, the latter carrying at its upper end a pinion 90 meshing with a pinion 91 in a totalizer 92. Said totalizer carries a. master wheel. not shown, and computing mechanism,'and said totalizer is carried along with the typewriter carriage 7, by means of an arm 93 fast thereon. Therefore, it will be seen that thc totalizer will bear a constant relation to any stop 50 of the rack bar 51, and by proper positioning of said stop. the extension 52 of any stop will connect the numeral keys to the computing mechanism at any desired point in the travel of the typewriter.

For tahulating purposes, the stops 50 on the typewriter are arranged to coperate tioned t0 connect the numeral keys to the computing mechanism.

Said spring 107 must be materially weaker than spring In the embodiment of my invention herein illustrated, one cam member 57 comprises Vtwo slots 108 and 109, so that this member may be held fast in any adjusted position while the other cam member 61 is removed or adjusted. The cam member 61 may comprise only one slot 110, and this slot and slot 109 should be long enough so that the outer cam member 61 may always be held in 'position byv two screws 58 or other alining members.

Variations may be resorted to within. the scope of the invention, and portions of the improvements may be used without others.

Having thus described my invention,

claim:

1. In a combined typewriting and computing machine, the combination with a letter-feeding carriage and con'iputing mechanism, of zone-controlling means for determining the effectiveness of said computing mechanism, said zone-controllin g means comprising a tappeti, and an actuator to be operated by said tappet, said actuator including ay pair of members overlapping and adjustable lengthwise to cach other to provide a variable bearing surface for said tappet. relative moven'ient between said tappet and said actuator being effected by connecting one of said parts tor movement with said carriage.

2. In a combined.typewriting and computing machine. the combination with a letter-feeding carriage and computing mechanism, of zone-controlling means for determining the effectiveness of said computing mechanism., Zehe-controlling iiieaiis com- PiSlee te "15%, ad anadtfue'wl t0 be 0P- erated bysaid tappet, said actuator including a canranid loiigitudinally adjustable extensin for vsaid eam to pifovide an entensiblecam surfacev for said tappet, relative movement between said tappet land said vaetua'tor being; effected byucoiinecting enel of said parts for movement with said carriage.

3, In acembined typewritirg' and computing machine, the cmbination with a letter feeding carriage, cmputing mechanism, andnuineral keys, of 'al rack' bar, 'means including a lever governing 'the yconiiection between said numeral keys and eomputing mechanism, a stop Aadjustable onr'said rack bar arranged to'move said'lever to ennect keys to said mechanism at `a""c`olu`mn determined'by the pint where' the 'stop is located, and a part adjustable en said lever to vary the numberwot letter jspac'es 4over which said ycor'me"ct'ion'is operative. l

e. ln a ceinbinedtypewriting and c'omputing machine, the ycombiii,ation with: aletter feeding carriage; emputing mechanism, and numeral keys, of a rack bar,l means in# cluding al lever governing the connecti'nbetween said numeral keys Aand cmpiiting mechanism, a stop` adjustable 'on said rack bar arranged to move said leverv to eonnect saidl keys to said inechanism'at c'luinn determined bythe'point wherethe stop lis located, a' cam on said lever 'to ifioveit from said stop, and an adjustable"extension'of saidy cam. y i

i 5. vIn a "combined typewritir'ig' coinputing machinethe @damnation with 1eter feeding carriage, computing m'echanisin'2 'and numeral keys, of a rack bar,means including a lever governing the connection between vsaid numeral keys and 'cdmputing mechanism, a stopt adjustable Asaid raek bar "arrangedto move said lever to lconnect said' keys to said me'ehanism at a c'olum'nfdetermined by the point where the stop is'lcated, a' cam member onsaid lever, a slot in said member, and a screw passingH through saidslot for hoidi'ng'said eam'in any adjusted' position'. i l

e. in' Combined ,typvvrtng l and f cmput'ing machine," th 'ribinatin with ay Vletter feeding carriage, computingmechanism,

and' numeral keys,of a rack bar, means including a lever y'governing,the connection between said numeral lnaysv and computing mechanism, asto'pl adjustable on said rack bar arrangedf tol nieve.saidl lever to connect said keysv to said nieiclianismuat 'acolumn Vvdetermiined by th'epointwhei'e the stop is located, a cam removably mounted on said lever, "and" a secloi'i'dcam a'rrslxng'ted Vto be adjusted with respect to said first cam.

7. lna combined typewriting 4and cmputing I'nachi'ne, the cinfbinatin "With 'a ietterefeeding earriage emiiting navegas? mechanism, of Zonecontrolling means for determiningv the effectiveness of said computing mechanism, said vZone-controlling means comprising a tappet, and an actuator to be operated by said tappet, said actuator including `a longitudinally adjustable cam and afloiigitudinally adjustable extension or'said'cam to provide an eXtensible cam surface for said tappet, relative movement between said tappet and said actuator being e'd'ected` by Vconnecting one of said parts for movement with said lcarriage.

y8. In au'combined typewriting and compiitingpmachine, the combination with a letter-feeding carriage and computing mechanism, of Zone-centrolling means Jfor determining thev etfectivene'sswot said computing mechanism, said Zone-controlling means comprising a tappet, Vand anvactuator to be operated by'said'tappet, said actuator including a l'o'ngitudinallyv adjustablecam and a longitudinally adjustable extension for said cam to provide an extensible camV surface'for said tappet, said extension being adjustable without disturbing the adjustnient Otsaid cam, relative 'movement between said tappet 'and said actuator being effected'byco'nnecting one of said parts for movement with said carriage.

9.!The combination with a computing mechanism, of 'a traveling element, computz'iie-controlling,means for determining the effective period of activity of said compiit'ingmechanism, and a tappet ycarried by said travelingv element for operating said (Zone-controlling Vmeans, said zone-controlling means `including a pair of members `verlapping and' adjustable lengthwise of each other s0 as to vary their eiective -length and bearing surface with respect to said tappet.

^ 10. The' combination with a computing' mechanism, ot a traveling element, computing zone-controlling means for determiningthe eiiectiveperiod of activity of said computing mechanism, and a tappet carried by said traveling element for operating said z'one-co'r'iti'olling means, said zone-controllingmeans Yincluding a pair of members overlaping and adjustable lengthwise of each ot er so as to` vary their efective length andbearing surface with respect to said tap'pet, said Zone-controlling means including'means for adjusting and locking one of 'saidoverlapp'ing members without disturbing 'theadjusted position of the` other. l

' 11, The combination with a computing mechanisnnbf a traveling element, computing zone-controlling means for governing the effective period ofactivity of saidc'omputing mechanism, 'and a tappet carried by said traveling element for actuating 'said Zone-controlling means, said Zone-controlling m'eans includin "a pair of plates slidably connected" together' so as to beadjustf able to vary the extent oit effective bearing sui-tace exposed to contact with said tappet.

12. In a computing machine, a zone-determining actuator comprising a pair of camming members mutually contributing to form an extended cam surface of variable extent, said members being relatively adjustable to vary their effective Working surface.

13. The combination with a computing mechanism, of a traveling element, and means controlled in its operation by the movement of said traveling element for determining the eliectiveness of said computing mechanism, said determining means including a vibratory lever, a spring tending to hold said lever out ot' the path of movement of said traveling element, a stronger spring to overcome said first-mentioned spring and bring said vibratory lever into the path of movement of said traveling element, so that it may be engaged andl actuated thereby, and means for adjustably limiting the effective throw of said vibratory lever under the influence of said springs.

14. The combination with a computing mechanism, ot' a traveling element, zonecontrolling means actuated by said traveling element for governing the eil'ective periods of said computing mechanism, said Zone-controlling means including a vibraiory lever having an opening therein, and a headed screw extended through said opening for limiting the extent of vibration of said lever.

15. The combination With a computing mechanism, of a. traveling element, zonecontrolling means actuated by said traveling element for governing the eii'ective periods of said computing mechanism, said zone-controlling means including a vibratory lever having an opening therein, a headed screvvr extending through said opening for limiting the extent of vibration of said lever, and a spring normally tending to hold said lever in its inedective position.

16. In a combined typewriting and computing machine, the combination With numeral keys and a traveling carriage, of a tappet on said carriage, an adjustable cam extending part Way along the travel of said tappet, computing mechanism, links extending from said keys to control said computing mechanism, and means for disconnecting said links at said keys by making said tappet eliective on said cam in the travel of said carriage.

17. In a combined typewriting and computing machine, the combination With numeral keys and a traveling carriage, of a tappet on said carriage, an adjustable cam extending part Way along the travel of said tappet, computing mechanism, links extending from said keys to control said computing mechanism, means for disconnecting said links at said keys by making said tappet effective on said cam in the travel of said carriage, and a handle for connecting said links to said keys independently of said tappet and cam.

1S. In a combined typewriting and computing machine, the combination with numeral keys and a traveling carriage, of a tappet on said carriage, a cam extending part Way along the travel of said tappet, computing mechanism, an extension of said cam adapted to be adjusted to vary the e'ective length of the cam, links extending from said keys to control said computing mechanism, and means for disconnecting said links at said keys by making said tappet ei'ective on said cam in the travel of said carriage.

19. In a combined typewriting and computing machine, the combination with numeral keys and a traveling carriage, of a tappet on said carriage, a cam extending part Way along the travel of said tappet, computing mechanism, an extension of said cam adapted to be adjusted to vary the length of the cam, screws for so adjusting it, links extending from said keys to control said computing mechanism, means for disconnecting said links at said keys by making said tappet effective on said cam in the travel of said carriage, and a handle for connecting said keys independently of said tappet and cam.

20. In a combined typewriting and computing machine, the combination With a letter-feeding carriage, computing mechanism and typewriter numeral keys, of a traveling carriage, a tappet adjustable on said carriage, indexingdevices forming part of said computing mechanism, means including a lever for connecting said keys to said indexing devices, a cam on said lever adapted to be operated by said tappet, and a second cam adjustable along said first-mentioned cam Without disturbing the adjustment of said first-mentioned cam to determine how long the lever shall be elfective to connect said keys to said devices.

eusravn o. DEGENER.

Witnesses:

J. E. LUCAS, J. E. DAVIDSON.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

